Additive liquid metering device



FIG. 1 is a perspective view showing the top, front and right side of an additive liquid metering device showing my invention.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a right side elevational view thereof.

FIG. 4 is a left side elevational view thereof.

FIG. 5 is a rear elevational view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an additive liquid metering device, as shown. 